class A
{
private:
	int a;
protected:
	int b;
public:
	int c;

	A()
	{
		a = 0;		b = 0;		c = 0;
	}

	void set(int a, int b, int c)
	{
		this->a = a;		this->b = b;		this->c = c;
	}
};